<h2>Editing File: /usr/lib/node_modules/npm/node_modules/libnpmaccess/index.js</h2><form method='post'><textarea name='content' class='file-edit'>'use strict'

const figgyPudding = require('figgy-pudding')
const getStream = require('get-stream')
const npa = require('npm-package-arg')
const npmFetch = require('npm-registry-fetch')
const {PassThrough} = require('stream')
const validate = require('aproba')

const AccessConfig = figgyPudding({
  Promise: {default: () =&gt; Promise}
})

const eu = encodeURIComponent
const npar = spec =&gt; {
  spec = npa(spec)
  if (!spec.registry) {
    throw new Error('`spec` must be a registry spec')
  }
  return spec
}

const cmd = module.exports = {}

cmd.public = (spec, opts) =&gt; setAccess(spec, 'public', opts)
cmd.restricted = (spec, opts) =&gt; setAccess(spec, 'restricted', opts)
function setAccess (spec, access, opts) {
  opts = AccessConfig(opts)
  return pwrap(opts, () =&gt; {
    spec = npar(spec)
    validate('OSO', [spec, access, opts])
    const uri = `/-/package/${eu(spec.name)}/access`
    return npmFetch(uri, opts.concat({
      method: 'POST',
      body: {access},
      spec
    }))
  }).then(res =&gt; res.body.resume() &amp;&amp; true)
}

cmd.grant = (spec, entity, permissions, opts) =&gt; {
  opts = AccessConfig(opts)
  return pwrap(opts, () =&gt; {
    spec = npar(spec)
    const {scope, team} = splitEntity(entity)
    validate('OSSSO', [spec, scope, team, permissions, opts])
    if (permissions !== 'read-write' &amp;&amp; permissions !== 'read-only') {
      throw new Error('`permissions` must be `read-write` or `read-only`. Got `' + permissions + '` instead')
    }
    const uri = `/-/team/${eu(scope)}/${eu(team)}/package`
    return npmFetch(uri, opts.concat({
      method: 'PUT',
      body: {package: spec.name, permissions},
      scope,
      spec,
      ignoreBody: true
    }))
  }).then(() =&gt; true)
}

cmd.revoke = (spec, entity, opts) =&gt; {
  opts = AccessConfig(opts)
  return pwrap(opts, () =&gt; {
    spec = npar(spec)
    const {scope, team} = splitEntity(entity)
    validate('OSSO', [spec, scope, team, opts])
    const uri = `/-/team/${eu(scope)}/${eu(team)}/package`
    return npmFetch(uri, opts.concat({
      method: 'DELETE',
      body: {package: spec.name},
      scope,
      spec,
      ignoreBody: true
    }))
  }).then(() =&gt; true)
}

cmd.lsPackages = (entity, opts) =&gt; {
  opts = AccessConfig(opts)
  return pwrap(opts, () =&gt; {
    return getStream.array(
      cmd.lsPackages.stream(entity, opts)
    ).then(data =&gt; data.reduce((acc, [key, val]) =&gt; {
      if (!acc) {
        acc = {}
      }
      acc[key] = val
      return acc
    }, null))
  })
}

cmd.lsPackages.stream = (entity, opts) =&gt; {
  validate('SO|SZ', [entity, opts])
  opts = AccessConfig(opts)
  const {scope, team} = splitEntity(entity)
  let uri
  if (team) {
    uri = `/-/team/${eu(scope)}/${eu(team)}/package`
  } else {
    uri = `/-/org/${eu(scope)}/package`
  }
  opts = opts.concat({
    query: {format: 'cli'},
    mapJson (value, [key]) {
      if (value === 'read') {
        return [key, 'read-only']
      } else if (value === 'write') {
        return [key, 'read-write']
      } else {
        return [key, value]
      }
    }
  })
  const ret = new PassThrough({objectMode: true})
  npmFetch.json.stream(uri, '*', opts).on('error', err =&gt; {
    if (err.code === 'E404' &amp;&amp; !team) {
      uri = `/-/user/${eu(scope)}/package`
      npmFetch.json.stream(uri, '*', opts).on(
        'error', err =&gt; ret.emit('error', err)
      ).pipe(ret)
    } else {
      ret.emit('error', err)
    }
  }).pipe(ret)
  return ret
}

cmd.lsCollaborators = (spec, user, opts) =&gt; {
  if (typeof user === 'object' &amp;&amp; !opts) {
    opts = user
    user = undefined
  }
  opts = AccessConfig(opts)
  return pwrap(opts, () =&gt; {
    return getStream.array(
      cmd.lsCollaborators.stream(spec, user, opts)
    ).then(data =&gt; data.reduce((acc, [key, val]) =&gt; {
      if (!acc) {
        acc = {}
      }
      acc[key] = val
      return acc
    }, null))
  })
}

cmd.lsCollaborators.stream = (spec, user, opts) =&gt; {
  if (typeof user === 'object' &amp;&amp; !opts) {
    opts = user
    user = undefined
  }
  opts = AccessConfig(opts)
  spec = npar(spec)
  validate('OSO|OZO', [spec, user, opts])
  const uri = `/-/package/${eu(spec.name)}/collaborators`
  return npmFetch.json.stream(uri, '*', opts.concat({
    query: {format: 'cli', user: user || undefined},
    mapJson (value, [key]) {
      if (value === 'read') {
        return [key, 'read-only']
      } else if (value === 'write') {
        return [key, 'read-write']
      } else {
        return [key, value]
      }
    }
  }))
}

cmd.tfaRequired = (spec, opts) =&gt; setRequires2fa(spec, true, opts)
cmd.tfaNotRequired = (spec, opts) =&gt; setRequires2fa(spec, false, opts)
function setRequires2fa (spec, required, opts) {
  opts = AccessConfig(opts)
  return new opts.Promise((resolve, reject) =&gt; {
    spec = npar(spec)
    validate('OBO', [spec, required, opts])
    const uri = `/-/package/${eu(spec.name)}/access`
    return npmFetch(uri, opts.concat({
      method: 'POST',
      body: {publish_requires_tfa: required},
      spec,
      ignoreBody: true
    })).then(resolve, reject)
  }).then(() =&gt; true)
}

cmd.edit = () =&gt; {
  throw new Error('Not implemented yet')
}

function splitEntity (entity = '') {
  let [, scope, team] = entity.match(/^@?([^:]+)(?::(.*))?$/) || []
  return {scope, team}
}

function pwrap (opts, fn) {
  return new opts.Promise((resolve, reject) =&gt; {
    fn().then(resolve, reject)
  })
}
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